The National Survey on Drug Use and Health (NSDUH) series
(formerly titled National Household Survey on Drug Abuse) measures the
prevalence and correlates of drug use in the United States. The
surveys are designed to provide quarterly, as well as annual,
estimates. Information is provided on the use of illicit drugs,
alcohol, and tobacco among members of United States households aged 12
and older. Questions included age at first use as well as lifetime,
annual, and past-month usage for the following drug classes:
marijuana, cocaine (and crack), hallucinogens, heroin, inhalants,
alcohol, tobacco, and nonmedical use of prescription drugs, including
pain relievers, tranquilizers, stimulants, and sedatives. The survey
covered substance abuse treatment history and perceived need for
treatment, and included questions from the Diagnostic and Statistical
Manual (DSM) of Mental Disorders that allow diagnostic criteria to be
applied. The survey included questions concerning treatment for both
substance abuse and mental health related disorders. Respondents were
also asked about personal and family income sources and amounts,
health care access and coverage, illegal activities and arrest record,
problems resulting from the use of drugs, and needle-sharing.
Questions introduced in previous administrations were retained in the
2003 survey, including questions asked only of respondents aged 12 to
17. These "youth experiences" items covered a variety of topics, such
as neighborhood environment, illegal activities, gang involvement,
drug use by friends, social support, extracurricular activities,
exposure to substance abuse prevention and education programs, and
perceived adult attitudes toward drug use and activities such as
school work. Several measures focused on prevention related themes in
this section. Also retained were questions on mental health and access
to care, perceived risk of using drugs, perceived availability of
drugs, driving and personal behavior, and cigar smoking. Questions on
the tobacco brand used most often were introduced with the 1999 survey
and retained through the 2003 survey. Background information includes
gender, race, age, ethnicity, marital status, educational level, job
status, veteran status, and current household composition. A number of additional questions were added in 2003, including questions on prior marijuana and cigarette use, additional questions on drug treatment, adult mental health services, and social environment.

The National Survey on Drug Use and Health (NSDUH) series
(formerly titled National Household Survey on Drug Abuse) measures the
prevalence and correlates of drug use in the United States. The
surveys are designed to provide quarterly, as well as annual,
estimates. Information is provided on the use of illicit drugs,
alcohol, and tobacco among members of United States households aged 12
and older. Questions included age at first use as well as lifetime,
annual, and past-month usage for the following drug classes:
marijuana, cocaine (and crack), hallucinogens, heroin, inhalants,
alcohol, tobacco, and nonmedical use of prescription drugs, including
pain relievers, tranquilizers, stimulants, and sedatives. The survey
covered substance abuse treatment history and perceived need for
treatment, and included questions from the Diagnostic and Statistical
Manual (DSM) of Mental Disorders that allow diagnostic criteria to be
applied. The survey included questions concerning treatment for both
substance abuse and mental health related disorders. Respondents were
also asked about personal and family income sources and amounts,
health care access and coverage, illegal activities and arrest record,
problems resulting from the use of drugs, and needle-sharing.
Questions introduced in previous administrations were retained in the
2003 survey, including questions asked only of respondents aged 12 to
17. These "youth experiences" items covered a variety of topics, such
as neighborhood environment, illegal activities, gang involvement,
drug use by friends, social support, extracurricular activities,
exposure to substance abuse prevention and education programs, and
perceived adult attitudes toward drug use and activities such as
school work. Several measures focused on prevention related themes in
this section. Also retained were questions on mental health and access
to care, perceived risk of using drugs, perceived availability of
drugs, driving and personal behavior, and cigar smoking. Questions on
the tobacco brand used most often were introduced with the 1999 survey
and retained through the 2003 survey. Background information includes
gender, race, age, ethnicity, marital status, educational level, job
status, veteran status, and current household composition. A number of additional questions were added in 2003, including questions on prior marijuana and cigarette use, additional questions on drug treatment, adult mental health services, and social environment.

Study Description

Citation

United States Department of Health and Human Services. Substance Abuse and Mental Health Services Administration. Office of Applied Studies. National Survey on Drug Use and Health, 2003. ICPSR04138-v5. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2015-11-23. https://doi.org/10.3886/ICPSR04138.v5

Universe:
The civilian, noninstitutionalized population of the
United States aged 12 and older, including residents of
noninstitutional group quarters such as college dormitories, group
homes, shelters, rooming houses, and civilians dwelling on military
installations.

Data Type(s):
survey data

Data Collection Notes:

Data were collected and prepared for release by
Research Triangle Institute, Research Triangle Park, NC.

Prior to
the 2002 survey, this series was titled National Household Surveys on
Drug Abuse.

Although the design of the 2003 survey is similar to the design of the 1999 through 2001 surveys, there are important methodological differences since 2002 that affect the 2003 estimates. Each NSDUH respondent since 2002 has been given an incentive payment of $30. This change resulted in an improvement in the survey response rate. In addition, in 2002 new population data from the 2000 decennial Census became available for use in NSDUH sample weighting procedures. Therefore the data from 2002 and later should not be compared with data collected in 2001 or earlier to assess changes over time.

For selected variables, statistical imputation was performed
following logical inference to replace missing responses. These
variables are identified in the codebook as "...LOGICALLY ASSIGNED"
for the logical procedure, or by the designation "IMPUTATION-REVISED"
in the variable label when the statistical procedure was also
performed. The names of statistically imputed variables begin with the
letters "IR." For each imputation-revised variable, a corresponding
imputation indicator variable indicates whether a case's value on the
variable resulted from an interview response or was imputed. Missing
values for some demographic variables were imputed by the unweighted
hot-deck technique used in previous surveys. Beginning in 1999,
imputation of missing values for most variables was accomplished
using predictive mean neighborhoods (PMN), a new procedure developed
specifically for this survey. Both the hot-deck and PMN imputation
procedures are described in the codebook.

To protect the privacy of
respondents, all variables that could be used to identify individuals
have been encrypted or collapsed in the public use file. To further
ensure respondent confidentiality, the data producer used data
substitution and deletion of state identifiers and a subsample of
records in the creation of the public use file.

Previously
published estimates may not be exactly reproducible from the variables
in the public use file due to the disclosure protection procedures
that were implemented.

The data definition and dictionary files
for Stata are designed to be compatible with StataSE, Version 8. This
is a large data file requiring that approximately 250 megabytes of
Random Access Memory be allocated to Stata. Operations within Stata,
including conversion of the ASCII data to Stata format, are likely to
be slow. Analysts may wish to download subsets of data from the
SAMHDA Data Analysis System (DAS) for use with Stata.

Since 1999, the survey sample has employed a 50-State design with an independent, multistage area probability sample for each of the 50 States and the District of Columbia.

Methodology

Sample:
Multistage area probability sample for each of the 50
states and the District of Columbia since 1999. A coordinated five-year sample
design was developed for 1999 through 2003. Although there is no
overlap with the 1998 sample, the design facilitates overlap in the
first-stage units (area segments) between each two successive years in
the five-year design. This design increases the precision of estimates
in year-to-year trend analysis. The sample is stratified on multiple
levels, beginning with states. Eight states are considered large
sample states and contribute approximately 3,600 respondents per
state. The remaining states are sampled to yield 900 respondents per
state. The second level of stratification divides states into Field
Interviewer (FI) Regions. The third level of stratification divides FI
regions into area segments consisting of adjacent Census blocks.
These area segments were used as the primary sampling units. Dwelling
units in area segments were listed in a standardized order and were
selected by systematic sampling. Field interviewers visited each
sample address to determine dwelling unit eligibility, to list all
eligible persons at the address, and to conduct interviews. Each
respondent who completed a full interview was given a $30 cash
payment. Persons were selected from the address roster using a
handheld computer. To improve the precision of estimates, the sample
allocation process targeted five age groups: 12-17, 18-25, 26-34,
35-49, and 50 and older. The size measures used in selecting the area
segments were coordinated with the dwelling unit and person selection
process so that a nearly self-weighting sample could be achieved in
each of the five age groups. The sample design included approximately
equal numbers of persons in the 12-17, 18-25, and 26 and older age
groups. The achieved sample for the 2003 NSDUH was 67,784 persons. The
public use file contains 55,230 records due to a subsampling step used
in the disclosure protection procedures. Minimum item response
requirements were defined for cases to be retained for weighting and
further analysis (i.e., "usable" cases). These requirements, as well
as full sampling methodology, are detailed in the codebook.

Weight:
Due to unequal selection probabilities at multiple stages of sample selection and various adjustments, such as those for nonresponse
and poststratification, the 2003 NSDUH sample design is not
self-weighting. Analysts are advised to use the final sample weight
when attempting to use the 2003 NSDUH data to draw inferences about
the target population or any subdomains of the target population. All
estimates published in SAMHSA reports (such as the Results from the
2003 NSDUH) are weighted using the final analysis weight for the full
sample (ANALWT). For the public use file, the corresponding final sample weight
is denoted as ANALWT_C, with the "C" denoting confidentiality
protection. This sample weight represents the total number of target
population persons each record on the file represents. Note that the
sum of ANALWT_C, over all records on the data file, represents an
estimate of the total number of people in the target population.

Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of
disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major
statistical software formats as well as standard codebooks to accompany the data. In addition to
these procedures, ICPSR performed the following processing steps for this data collection:

Performed consistency checks.

Created online analysis version with question text.

Checked for undocumented or out-of-range codes.

Restrictions: Users are reminded by the United States Department of
Health and Human Services that these data are to be used solely for
statistical analysis and reporting of aggregated information and not for
the investigation of specific individuals or treatment facilities.

Version(s)

Original ICPSR Release: 2004-12-21

Version History:

2015-11-23 Covers for the PDF documentation were revised.

2013-06-24 Released Methodological Resources documentation and updated xml file to include variable groupings.

2013-02-28 The 2003 NSDUH public-use data file has been updated to include 16 new variables related to respondent drug use, mental health, household composition, and geography. Please view Table 4 of the codebook for more information on these variables.

2006-10-17 The data producer resupplied the data
file and codebook documentation. Thirty-two variables were modified, 3
variables were dropped, and 224 new variables were added. Some of
these changes were to correct for data errors, but most of these
changes were done to provide consistency with the 2004 NSDUH study.
Of these changes, the most important change to note is that two study
design variables (VEREP and VESTR) were revised to provide consistency
with the 2004 study, which collapsed the strata in order to maximize
the number of people in each replicate.

2005-11-04 On 2005-03-14 new files were added to
one or more datasets. These files included additional setup files as
well as one or more of the following: SAS program, SAS transport, SPSS
portable, and Stata system files. The metadata record was revised
2005-11-04 to reflect these additions.

Variables

Browse Matching Variables

INPATIENT MENTAL HEALTH CARE WAS FREE
The values in the section may be inconsistent with values
from the core section(s). Items in this section were edited
when respondents legitimately skipped out of these items
based on prior answers in the core section(s). Otherwise,
non-core items generally were not edited to make them
consistent with core items, and core items were not edited to
make them consistent with non-core items.
These next questions are about treatment and counseling
for problems with emotions, nerves or mental health.
Please do not include treatment for alcohol or
drug use.
(ADMT10) Who paid or will pay for the inpatient mental
health care you received during the past 12 months?

OUTPATIENT MENTAL HEALTH CARE WAS FREE
The values in the section may be inconsistent with values
from the core section(s). Items in this section were edited
when respondents legitimately skipped out of these items
based on prior answers in the core section(s). Otherwise,
non-core items generally were not edited to make them
consistent with core items, and core items were not edited to
make them consistent with non-core items.
These next questions are about treatment and counseling
for problems with emotions, nerves or mental health.
Please do not include treatment for alcohol or
drug use.
(ADMT22) Who paid or will pay for the outpatient mental
health care you received during the past 12 months?

RCVD INPATIENT MENTAL HEALTH TRT IN PST YR
NOTE: The variables in this section are recoded variables
that were created from one or more variables from the
following sections: Adult Mental Health Treatment or Recoded
Substance Treatment.

RCVD OUTPATIENT MENTAL HEALTH TRT IN PST YR
NOTE: The variables in this section are recoded variables
that were created from one or more variables from the
following sections: Adult Mental Health Treatment or Recoded
Substance Treatment.

RCVD ANY MENTAL HEALTH TRT IN PST YR
NOTE: The variables in this section are recoded variables
that were created from one or more variables from the
following sections: Adult Mental Health Treatment or Recoded
Substance Treatment.

RCVD ANY MENTAL HEALTH TRT IN PST YR
NOTE: The variables in this section are recoded variables
that were created from one or more variables from the
following sections: Adult Mental Health Treatment or Recoded
Substance Treatment.

RCVD OUTPATIENT MENTAL HEALTH TRT IN PST YR
NOTE: The variables in this section are recoded variables
that were created from one or more variables from the
following sections: Adult Mental Health Treatment or Recoded
Substance Treatment.
NOTE: AMHOUTP3 is similar to the variable AMHOUTP2
which was created above. The only difference is
that those respondents who reported receiving outpatient
mental health treatment/counseling in the past year at "Some
Other Place" (AUOPTYR=1 and AUOPOTOP=1) only and their
write-in response was classified as an invalid outpatient
mental health treatment/counseling location or alternative
treatment/support (AUOPYRS2=7,8,10,11) are defined as SAS
missing instead of having a positive response. In addition
to the responses described above, like AMHOUTP2, AMHOUTP3
was also defined as SAS missing for persons aged 12-17 and
those coded as bad data, legitimate skip, don't know,
refused, or blank (AUOPTYR=85,89,94,97,98,99).
AMHOUTP3 was assigned a positive response if a respondent
indicated they had received outpatient mental health
treatment/counseling in the past year (AUOPTYR=1) and they
did not indicate an alternative source or invalid outpatient
location (AUOPYRS2=7,8,10,11) as their only location for
outpatient treatment..

YTH RCVD SPECIALTY MENTAL HEALTH SRVC IN PST YR
NOTE: The following five variables were created to generate
multi-year trend estimates for the 2007 Detailed Tables.
These variables contain information on the general types of
mental health services received by youths in the past year
for problems with behavior or emotions that were not caused
by alcohol or drugs.
The following variable, ANYSMH, indicates whether a youth
reported receiving specialty mental health services in the
past year from any of 7 specific inpatient/residential or
outpatient specialty sources for problems with behavior or
emotions that were not caused by alcohol or drugs. This
variable was created based on the following 7 source of
treatment variables: stayed overnight in a hospital
(YHOSP), stayed in a residential treatment facility
(YRESID), spent time in foster care (YFOST), spent time
in a day treatment facility (YDAYTRT), received treatment
from a mental health clinic (YCLIN), from a private
therapist (YTHER), and from an in-home therapist (YHOME).
Youths who reported a positive response (source variable=1)
to one or more of the 7 questions were included in the yes
category regardless of how many of the 7 questions they
answered. Youths who did not report a positive response,
but answered all 7 of the questions were included in the no
category. Youths who did not report a positive response and
did not answer all the questions, and adults were included
in the unknown/18+ category.

YTH RCVD EDUCATION MENTAL HEALTH SRVC IN PST YR
NOTE: The following five variables were created to generate
multi-year trend estimates for the 2007 Detailed Tables.
These variables contain information on the general types of
mental health services received by youths in the past year
for problems with behavior or emotions that were not caused
by alcohol or drugs.
The following variable, ANYMHED, indicates whether a youth
enrolled in school reported receiving mental health services
in the past year from education sources for problems with
behavior or emotions that were not caused by alcohol or
drugs. This variable was created using the following source
of treatment variables: talked to school counselors, school
psychologist, or regular teacher for problems (YSCHL) and
received special education services in the classroom or
placed in a special classroom, program, or school (YSPED).
Youths who reported a positive response (source variable=1)
to one or more of these questions were included in the yes
category regardless of how many of the questions they
answered. Youths who did not report a positive response, but
answered both questions were included in the no category.
Youths who did not report a positive response and did not
answer both questions, and adults were included in the
unknown/18+ category.

RCVD ALC TRT AT A MENTAL HEALTH CENTER IN PAST YR
NOTE: The variables in this section are recoded
variables that were created from one or more of the
variables from two of the preceding sections: Substance
Treatment or Recoded Substance Dependence and Abuse.
NOTE: The following recoded variables contain information
about where respondent received treatment in the past year.